Let us get a few things straight. Nuclear waste is not very dangerous. In fact, the risk of handling, shipping and disposing, now and into the next million years, is so low we can not even measure it, although we have made some impressive guesses on the 12th decimal point. But below one-in-a-billion, risk becomes just a theoretical exercise.
But if you can not let geoscientists actually make any decisions on issues they have been training their entire careers to do, then leaving it right where it is, is exactly what you will get.